body {
  padding: 0;
  margin: 0;
  font-size: 14px;
  color: #808080;
}

* {
  margin: 0;
  text-decoration: none;
  box-sizing: border-box;
  padding: 0;
  border: 0;
  outline: 0;
  vertical-align: middle;
}
html,a, body, div, dl, dt, dd, ul, ol, li, h1, h2, h3, h4, h5, h6, pre, code, form, fieldset, legend, input, textarea, p, blockquote, th, td {
  font-weight: 400;
  font-size: 16px;
  font-family: "Arial",Microsoft Yahei,"PingFang SC", "HanHei SC", "Helvetica Neue",  "Helvetica", "STHeitiSC-Light", sans-serif;
}
 /* 神奇代码：让该元素的高=宽，并自适应调整，所以宽永远等于高 */
.t{
  width: 100%;
  height: 0;
  padding-bottom: 100%;
  background-color: #000;
}
ul, ol, li{
  list-style: none;
}
.imgbig {
  -webkit-transition: all .3s ease;
  -moz-transition: all .3s ease;
  -ms-transition: all .3s ease;
  -o-transition: all .3s ease;
  transition: all .3s ease;
  display: block !important;
}
.tran {
  transition: all .3s ease-in-out;
}
.tran2 {
  transition: all .2s ease;
}
.lazy {
  background: url("assets/loading.gif") 50% 50% no-repeat;
}
.clear::after{
  content: '';
  clear: both;
  display: block;
}
.flex {
  display: flex;
  justify-content: space-between;
}

.service{
  padding-bottom: 100px;
}
.s-header{
  .s-header-content{
    height: 100%;
    .s-right{
      height: 100%;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      p{
        margin-bottom: 20px;
      }
    }
  }
  padding: 140px 10% 80px;
  color:#585656;
}
.ft16{
  font-size: 16px;
}
.mb40{
  margin-bottom: 40px;
}
.black{
  color: black;
}
.mb100{
  margin-bottom: 60px;
}
.font-center{
  text-align: center;
}
.title-1{
  font-weight: 550;
}
.ft30{
  font-size: 30px;
  font-family: Microsoft Yahei;
}
.ft18{
  font-size: 18px;
}
.ft36{
  font-size: 36px;
}
.fw3{
  font-weight: 100;
}
.fw6{
  font-weight: 600;
}
.ft14{
  font-size: 14px;
}
.mtb{
  margin: 20px 0;
}
.line{
  border-bottom: 1px solid #585656;
}
.line-height-24{
  display: inline-block;
  height: 180px;
  line-height: 24px;
}
.mb10{
  margin-bottom: 10px;
}
.under-brand{
  width: 70px;
}
.title-2{
  font-size:42px;
  line-height: 0.8;
  font-weight: 600;
  margin-bottom: 40px !important;
}
.h700{
  width: 100%;
  background-attachment:fixed;
}
// 业务第一个背景
.bg1{
  background-image: url("https://dtxb.work/adsfsadfasdfasdf.jpg");
  background-position: center;
  background-size: cover;
}
// 业务第二个背景
.bg2{
  background-image: url("https://dtxb.work/SADASDFASDFA.jpg");
  background-position: center;
  background-size: cover;
}
// 关于第一个背景
.bg3{
  background-image: url("https://dtxb.work/QWERQWERQWER.jpg");
  background-size: cover;
  background-position: center;
}
// 业务*1
.bg4{
  background-image: url("https://dtxb.work/12312311111111.jpg");
  background-size: cover;
  background-position: center;
}
// 业务*2
.bg5{
  background-image: url("https://dtxb.work/1231233333.jpg");
  background-size: cover;
  background-position: center;
}
// 业务*3
.bg6{
  background-image: url("https://dtxb.work/1231232222.jpg");
  background-size: cover;
  background-position: center;
}
// 业务*4
.bg7{
  background-image: url("https://dtxb.work/1231234444.jpg");
  background-size: cover;
  background-position: center;
}
// 团队合照
.team-img{
  background-image: url("https://dtxb.work/team-img.jpg");
  background-size: cover;
  background-position: center;
}
.service2{
  padding:100px 20% 100px;
}
.wh1b06{
  width: 100%;
  height: 0;
  padding-bottom: 60%;
  background-color: #000;
}
.cursor{
  cursor: pointer;
}
.main-container {
	background-color: #fff;
	overflow: auto; // 超出设定高度，出现滚动条
	/*定义滚动条宽高及背景，宽高分别对应横竖滚动条的尺寸*/
	// 滚动条整体部分
	&::-webkit-scrollbar {
		width: 6px;
		height: 8px;
	}
	// 滚动条的轨道的两端按钮，允许通过点击微调小方块的位置。
	&::-webkit-scrollbar-button {
		display: none;
	}
	// 滚动条里面的小方块，能向上向下移动（或往左往右移动，取决于是垂直滚动条还是水平滚动条）
	&::-webkit-scrollbar-thumb {
		background: rgba(144, 147, 153, 0.3);
		cursor: pointer;
		border-radius: 4px;
    background: #000;
	}
	// 边角，即两个滚动条的交汇处
	&::-webkit-scrollbar-corner {
		display: none;
	}
	// 两个滚动条的交汇处上用于通过拖动调整元素大小的小控件
	&::-webkit-resizer {
		display: none;
	}
}
@media screen and (max-width: 1200px) {
  .font-center{
    text-align: left;
  }
  .ft30{
    font-size: 24px;
  }
  .title-2{
    font-size: 20px;
  }
  .line-height-24{
    height: 200px;
  }
  .s-header{
    padding: 140px 5% 80px;
  }
  .service2{
    padding:100px 5% 100px;
  }
}